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Author:
杨欣霞
GeoGebra
New Resources
百分數及其應用
科赫雪花
龙形曲线-分形龙2
撒针估算面积实验
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
分數的大小變化
線對稱圖形練習2
How to draw an ennegon with ruler and compasses?
面積與周界活動
關燈遊戲
Discover Topics
Exponential Functions
Scalene Triangles
General Quadrilateral
Dilation
Cone